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628 Commits

Author SHA1 Message Date
Marcin Kościelnicki 526fe4cb89 xilinx: Add simulation model for IBUFG. 2019-10-10 13:16:03 +02:00
Eddie Hung 9fd2ddb14c
Merge pull request #1437 from YosysHQ/eddie/abc_to_abc9 
Rename abc_* names/attributes to more precisely be abc9_*
 2019-10-08 10:53:38 -07:00
Eddie Hung 6c5e1234e1 Add comment on why partial multipliers are 18x18 2019-10-04 22:31:04 -07:00
Eddie Hung b47bb5c810 Fix typo in check_label() 2019-10-04 21:43:50 -07:00
Eddie Hung a5ac33f230 Merge branch 'master' into eddie/abc_to_abc9 2019-10-04 17:53:20 -07:00
Eddie Hung 0acc51c3d8 Add temporary `abc9 -nomfs` and use for `synth_xilinx -abc9` 2019-10-04 17:35:43 -07:00
Eddie Hung 9c23811839 Remove DSP48E1 from *_cells_xtra.v 2019-10-04 17:26:42 -07:00
Eddie Hung aae2b9fd9c Rename abc_* names/attributes to more precisely be abc9_* 2019-10-04 11:04:10 -07:00
Eddie Hung 5b5756b91e Add LDCE/LDPE sim library, remove from *cells_xtra.{v,py} 2019-09-30 12:52:43 +02:00
Marcin Kościelnicki 4535f2c694 synth_xilinx: Support latches, remove used-up FF init values. 
Fixes #1387.
 2019-09-30 12:52:43 +02:00
Eddie Hung 8474c5b366
Merge pull request #1359 from YosysHQ/xc7dsp 
DSP inference for Xilinx (improved for ice40, initial support for ecp5)
 2019-09-29 11:26:22 -07:00
Eddie Hung c372e7baf9 Fix box name 2019-09-27 18:49:45 -07:00
Eddie Hung b3d8a60cbd Re-order 2019-09-27 14:32:07 -07:00
Eddie Hung 143f82def2 Missing an '&' 2019-09-26 11:13:08 -07:00
Eddie Hung 033aefc0f4 Typo 2019-09-26 10:34:14 -07:00
Eddie Hung 781dda6175 select once 2019-09-26 10:15:05 -07:00
Eddie Hung 27e5bf5aad Stop trying to be too smart by prematurely optimising 2019-09-26 09:57:11 -07:00
Eddie Hung 53ea5daa42 Call 'wreduce' after mul2dsp to avoid unextend() 2019-09-25 14:04:36 -07:00
Eddie Hung 93363c94a2 Oops. Actually use __NAME__ in ABC_DSP48E1 macro 2019-09-25 10:33:16 -07:00
Eddie Hung b41d2fb4e4 Add (* techmap_autopurge *) to abc_unmap.v too 2019-09-23 22:02:22 -07:00
Eddie Hung 11ac37733d Add techmap_autopurge to outputs in abc_map.v too 2019-09-23 21:56:28 -07:00
Eddie Hung 27167848f4 Revert "Add a xilinx_finalise pass" 
This reverts commit 23d90e0439.
 2019-09-23 19:52:55 -07:00
Eddie Hung 0f53893104 Revert "Remove (* techmap_autopurge *) from abc_unmap.v since no effect" 
This reverts commit 67c2db3486.
 2019-09-23 19:52:55 -07:00
Eddie Hung 29db96fa1f Revert "Vivado does not like zero width port connections" 
This reverts commit 895e2befa7.
 2019-09-23 19:52:54 -07:00
Eddie Hung 895e2befa7 Vivado does not like zero width port connections 2019-09-23 19:04:07 -07:00
Eddie Hung 67c2db3486 Remove (* techmap_autopurge *) from abc_unmap.v since no effect 2019-09-23 18:56:18 -07:00
Eddie Hung 23d90e0439 Add a xilinx_finalise pass 2019-09-23 18:56:02 -07:00
Eddie Hung 4401e5f142 Grammar 2019-09-20 14:24:31 -07:00
Eddie Hung 289cf688b7 Re-add DSP_A_MINWIDTH, remove unnec. opt_expr -fine from synth_ice40 2019-09-20 09:02:29 -07:00
Eddie Hung 691686f92c Tidy up, fix undriven 2019-09-19 20:04:52 -07:00
Eddie Hung 1602516a8b $__ABC_REG to have WIDTH parameter 2019-09-19 19:37:45 -07:00
Eddie Hung e09f80479e Fix DSP48E1 timing by breaking P path if MREG or PREG 2019-09-19 18:59:28 -07:00
Eddie Hung 362a803779 Revert "Different approach to timing" 
This reverts commit 41256f48a5.
 2019-09-19 18:33:38 -07:00
Eddie Hung 41256f48a5 Different approach to timing 2019-09-19 18:33:29 -07:00
Eddie Hung 5ca25b0c59 Suppress $anyseq warnings 2019-09-19 16:27:14 -07:00
Eddie Hung 595fb611a5 Use (* techmap_autopurge *) to suppress techmap warnings 2019-09-19 15:58:01 -07:00
Eddie Hung c15a35db84 D is 25 bits not 24 bits wide 2019-09-19 15:55:49 -07:00
Eddie Hung b88f0f6450 Merge remote-tracking branch 'origin/clifford/fix1381' into xc7dsp 2019-09-19 15:47:41 -07:00
Eddie Hung 95db2489bd synth_xilinx to infer DSPs for Y_WIDTH >= 9 and [AB]_WIDTH >= 2 2019-09-19 14:58:06 -07:00
Marcin Kościelnicki 13fa873f11 Use extractinv for synth_xilinx -ise 2019-09-19 04:02:48 +02:00
Eddie Hung fd3b033903 Merge remote-tracking branch 'origin/master' into xc7dsp 2019-09-18 12:23:22 -07:00
Eddie Hung 25e0f0c376 Fix copy-paste 2019-09-18 12:19:16 -07:00
Eddie Hung b77cf6ba48 Mis-spell 2019-09-18 11:12:46 -07:00
Eddie Hung e992dbf2c5 Add pattern detection support for DSP48E1 model, check against vendor 2019-09-18 10:45:04 -07:00
Marcin Kościelnicki 09ac36da60 xilinx: Make blackbox library family-dependent. 
Fixes #1246.
 2019-09-15 13:37:24 +02:00
Eddie Hung 681be20ca2 Add `undef DSP48E1_INST 2019-09-13 17:07:18 -07:00
Eddie Hung 61877e1370 Fix D -> P{,COUT} delay 2019-09-13 13:32:55 -07:00
Eddie Hung d0b202c58d Add no MULT no DPORT config 2019-09-13 12:05:14 -07:00
Eddie Hung 247a63f55d Add support for MULT and DPORT 2019-09-13 11:45:55 -07:00
Eddie Hung e235dd0785 Refine diagram 2019-09-13 09:34:40 -07:00